Across
- 3. something that has mass and occupies space
- 4. material that not allow light to pass
- 6. cork__on water
- 7. the material which are prepare bhi man
- 8. In__particles are freely packed
Down
- 1. material that allow light to pass
- 2. two material that mixes own their own
- 5. In__particles are tightly packed
